And we're back to look at the dark side of fame for QVC star, Lisa Robertson. She revealed she doesn't feel safe in her own home after multiple stalkers. Reporter: Robertson is known for her warm, bubbly personality and making viewers feel like they know her. But she says, over the years, some have taken that much too far. For so many of QVC viewers, Lisa Robertson is the host with the most. The 48-year-old is one of the shopping channel's most popular personalities and a former beauty queen. I hadn't ever done pageants, I would have never ended up in this job. So, I'm glad that I did. Reporter: Selling the latest in beauty and fashion, drawing some 20 million viewers a week. And now, we're learning also a lot of unwanted attention, facing stalking for years while on QVC. In court documents, Robertson alleges that she's been secretly living in a constant state of fear. I lock myself in my house every day, she reportedly wrote in a recent victim's impact statement. I check my alarm constantly. I watch my rearview mirror when I go home at night. If you have active stalkers looking for you, you have to think through where you're going, how you're getting there. Reporter: In the most recent case, 50-year-old peter Ferrero was sentenced in November, for violating a court order from a previous stalking conviction. Allegations including, going to Robertson's home and following her to a movie theater, according to a police affidavit, where he was, quote, close enough to Robertson to smell the popcorn she was eating. In that case, he pled guilty to stalking. But Robertson's tenure at QVC was marked by more terror. In one case, a man reportedly traveling to the home of a different QVC host with engagement and wedding rings strapped to his chest, in hopes of meeting Robertson. In a statement released to ABC news, the former miss Tennessee says, we enjoy the connection we have with our audience from being open and sharing our personal stories. Unfortunately, one of the downsides to this is that people can take those connections too far and cross personal boundaries. One public personality's private life of fear. In her statement to ABC, Robertson said, despite the incidents, she wants to focus on positive aspects about her career. And Ferrero, the man sentenced in December, is appealing the case. Terrifying moments there. Coming up here, could exercise be the ultimate

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